Wrapping Hands for a fight

So how do you wrap your hands for an actual fight? Not with the everlast washable wraps, Im talking about gauze and surgeons tape. If it hasto be wrapped for an official event, how do?

My brother is fighting on Friday, I can wrap up the Muay Thai style (open palm) pretty good. I also have the western style (boxing) down alright, but Ive never done it with tape and gauze. Suggestions, instructions, videos, anything please. We have till Friday. No, no one knows how to do them near me.